# 13 Character Construction

Construction grids define canvas, pivot, collision, and joint placement.

## 64x64 Grid

```text
64x64

y00  head safe zone
y12  shoulders
y24  torso
y36  pelvis
y48  knees / lower legs
y56  feet / pivot
y63  floor buffer
```

## 96x96 Grid

```text
96x96

y00  boss head / weapon safe zone
y18  shoulders
y38  torso
y56  pelvis
y74  feet / impact mass
y88  pivot
y95  floor buffer
```

## 128x128 Grid

```text
128x128

y000 head / weapon safe zone
y024 shoulders
y052 torso
y076 pelvis
y104 feet / impact mass
y116 pivot
y127 floor buffer
```

## Animation Preparation

Required joint IDs:

```text
head
neck
spine
pelvis
left_shoulder
right_shoulder
left_elbow
right_elbow
left_wrist
right_wrist
left_knee
right_knee
left_ankle
right_ankle
```

Joint placement must support idle, walk, run, jump, fall, attack, block, hit, death, landing, wall jump, and dash.